Finding the Fourth Proportional to 519,913.70, 717,446.64 and 302,103.08
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Solution
The fourth proportional to 519,913.70, 717,446.64 and 302,103.08 is: 416,882.34
Step by Step Solution
- Step 1: Write the proportion equation
519,913.70 : 717,446.64 = 302,103.08 : x - Step 2: Convert to fraction form
519,913.70/717,446.64 = 302,103.08/x - Step 3: Cross multiply
519,913.70x = 717,446.64 × 302,103.08 - Step 4: Simplify right side
519,913.70x = 216,742,839,679.65 - Step 5: Solve for x
x = 216,742,839,679.65/519,913.70 - Step 6: Final answer
x = 416,882.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.